Anti-corrosion aluminum alloy door and window and manufacturing process thereof
A corrosion-resistant aluminum alloy and preparation technology, which is applied in the field of aluminum alloy doors and windows, can solve the problems that affect popularization and use, difficult processing, poor plasticity, etc., and achieve the effects of not being prone to aging and oxidation, reducing heat sensitivity, and enhancing plasticity
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[0027] Example 1
[0028] A corrosion-resistant aluminum alloy door and window, including the following components by weight percentage: Mg: 3%, Mn: 2%, Zn: 6%, Ni: 1%, Si: 2%, Sc: 0.8%, P: 0.2 %, Zr: 0.3%, Y: 1%, Ca: 3%, Sr: 1%, B: 0.4%, Co: 2%, Sr: 0.6% and rare earth elements: 1%, the rest is Al and inevitable Impurities, and the mass percentage of the impurities is less than or equal to 0.5%;
[0029] The rare earth elements include the following components by weight percentage: Nd: 25%, Gd: 20%, Pr: 5%, Yb: 10%, La: 6%, Dy: 7%, Sm: 8%, Ce: 18%, the sum of the above rare earth elements is 100%.
[0030] The above-mentioned preparation process of corrosion-resistant aluminum alloy doors and windows is carried out according to the following steps:
[0031] (1) Weigh the required raw materials according to the weight percentage; preheat the smelting furnace, the preheating temperature is 380℃, lasting 1h;
[0032] (2) First transport the Al and impurities into the smelting furnace, ...
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[0039] Example 2
[0040] A corrosion-resistant aluminum alloy door and window, including the following components by weight percentage: including the following components by weight percentage: Mg: 5%, Mn: 3%, Zn: 8%, Ni: 2%, Si: 4% , Sc: 1.0%, P: 0.3%, Zr: 0.5%, Y: 2%, Ca: 4%, Sr: 3%, B: 0.8%, Co: 3%, Sr: 0.8%, and rare earth elements: 2 %, the rest is Al and unavoidable impurities, and the mass percentage of the impurities is less than or equal to 0.5%;
[0041] The rare earth elements include the following components by weight percentage: Nd: 20%, Gd: 15%, Pr: 6%, Yb: 15%, La: 8%, Dy: 8%, Sm: 11%, Ce: 17%, the sum of the above rare earth elements is 100%.
[0042] The above-mentioned preparation process of corrosion-resistant aluminum alloy doors and windows is carried out according to the following steps:
[0043] (1) Weigh the required raw materials according to the weight percentage; preheat the smelting furnace, the preheating temperature is 420℃, lasting 1.5h;
[0044] (2) Fi...
Example Embodiment
[0051] Example 3
[0052] A corrosion-resistant aluminum alloy door and window, including the following components by weight percentage: Mg: 7%, Mn: 4%, Zn: 10%, Ni: 3%, Si: 6%, Sc: 1.2%, P: 0.4 %, Zr: 0.7%, Y: 3%, Ca: 5%, Sr: 5%, B: 1.2%, Co: 4%, Sr: 1.0% and rare earth elements: 3%, the rest is Al and inevitable Impurities, and the mass percentage of the impurities is less than or equal to 0.5%;
[0053] The rare earth elements include the following components by weight percentage: Nd: 15%, Gd: 10%, Pr: 7%, Yb: 20%, La: 10%, Dy: 9%, Sm: 12%, Ce: 17%, the sum of the above rare earth elements is 100%.
[0054] The above-mentioned preparation process of corrosion-resistant aluminum alloy doors and windows is carried out according to the following steps:
[0055] (1) Weigh the required raw materials according to the weight percentage; preheat the smelting furnace, the preheating temperature is 460℃, lasting 2h;
[0056] (2) First transport the Al and impurities into the smelting furnac...
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